Home / 14,113.36-19,478.10-7,826.14

Finding the Fourth Proportional to 14,113.36, 19,478.10 and 7,826.14

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Solution

The fourth proportional to 14,113.36, 19,478.10 and 7,826.14 is: 10,801.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.36 : 19,478.10 = 7,826.14 : x
  2. Step 2: Convert to fraction form
    14,113.36/19,478.10 = 7,826.14/x
  3. Step 3: Cross multiply
    14,113.36x = 19,478.10 × 7,826.14
  4. Step 4: Simplify right side
    14,113.36x = 152,438,337.53
  5. Step 5: Solve for x
    x = 152,438,337.53/14,113.36
  6. Step 6: Final answer
    x = 10,801.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.